Y. Zha et al.
ArH), 7.43–7.51 (4H, m,ArH), 7.67 (2H, d, J = 7.6 Hz, ArH), 7.84 (2H, d,
J = 7.6 Hz, ArH); 13C NMR (100 MHz, DMSO-d6) (d, ppm): 49.5, 54.8, 58.4,
126.4, 127.3, 128.0, 128.5, 129.2, 129.6, 130.4, 132.6, 133.2, 135.3, 135.5, 136.1,
137.4, 144.8, 196.9, 198.0; HRMS m/z calculated for C35H27Br [M ? H]?:
527.1369, found: 527.1364.
3-(4-Bromophenyl)-1,2,4,5-tetraphenylpentane-1,5-dione (3f)
m.p. 240–242 °C; IR (KBr, m, cm-1): 1680, 1596, 1579, 1490, 1446, 1267, 1178,
1076, 1008, 983, 819, 697, 681, 607, 543 cm-1; 1H NMR (400 MHz, DMSO-d6) (d,
ppm): 4.82 (1H, t, J = 10.0 Hz, CH), 5.52 (1H, d, J = 9.6 Hz, CH), 5.60 (1H, d,
J = 10.8 Hz, CH), 6.84–6.91 (4H, m, ArH), 6.99 (2H, t, J = 7.6 Hz, ArH), 7.14
(4H, dd, J = 4.4 Hz, J = 8.8 Hz, ArH), 7.31 (3H, t, J = 7.6 Hz, ArH), 7.37 (3H, t,
J = 7.6 Hz,ArH), 7.42–7.50 (4H, m, ArH), 7.66 (2H, d, J = 7.6 Hz, ArH), 7.83
(2H, d, J = 7.6 Hz, ArH); 13C NMR (100 MHz, DMSO-d6) (d, ppm): 50.5, 55.7,
58.4, 120.2, 127.2, 127.9, 128.2, 128.4, 128.5, 129.0, 130.2, 130.3, 130.6, 132.0,
132.7, 132.9, 136.4, 136.6, 136.7, 137.2, 139.5, 199.7, 199.8; HRMS m/z calculated
for C35H27Br [M ? Na]?: 549.1188, found: 549.1186.
1,2,4,5-Tetraphenyl-3-(p-tolyl)pentane-1,5-dione (3g)
m.p. 235–236 °C; IR (KBr, m, cm-1): 1681, 1597, 1580, 1513, 1492, 1447, 1267,
1179, 1034, 1002, 982, 813, 755, 696, 616, 548 cm-1; 1H NMR (400 MHz, CDCl3)
(d, ppm): 2.11 (3H, s, CH3), 4.81 (1H, dd, J = 3.6 Hz, J = 7.2 Hz, CH), 5.02 (1H,
d, J = 7.2 Hz, CH), 5.20 (1H, d, J = 10.4 Hz, CH), 6.78 (2H, d, J = 7.6 Hz, ArH),
6.94 (2H, d, J = 8.0 Hz, ArH), 7.01–7.08 (7H, m, ArH), 7.14 (2H, t, J = 7.2 Hz,
ArH), 7.24 (3H, t, J = 7.6 Hz, ArH), 7.36 (2H, t, J = 8.8 Hz, ArH), 7.42 (2H, d,
J = 7.6 Hz, ArH), 7.60 (2H, d, J = 7.6 Hz, ArH), 7.71 (2H, d, J = 7.6 Hz, ArH);
13C NMR (100 MHz, DMSO-d6) (d, ppm): 54.9, 55.3, 55.4, 56.4, 110.6, 111.9,
113.2, 119.0, 120.1, 122.3, 126.3, 127.3, 127.9, 128.2, 128.6, 129.0, 129.2, 129.6,
131.0, 131.5, 134.1, 137.2, 137.7, 139.2, 147.2, 148.8, 152.2, 162.2, 165.0, 165.9,
171.3;HRMS m/z calculated for C36H30 [M ? H]?: 463.2420, found: 463.2413.
3-(4-Methoxyphenyl)-1,2,4,5-tetraphenylpentane-1,5-dione (3h)
m.p. 237–238 °C; IR (KBr, m, cm-1): 1670, 1597, 1580, 1513, 1492, 1449, 1342,
1303, 1265, 1177, 1111, 1035, 1004, 984, 826, 755, 697, 613, 547 cm-1; 1H NMR
(400 MHz, CDCl3) (d, ppm): 3.64 (3H, s, OCH3), 4.79 (1H, dd, J = 3.6 Hz,
J = 7.2 Hz, CH), 5.01 (1H, d, J = 7.2 Hz, CH), 5.18 (1H, d, J = 10.4 Hz, CH),
6.52 (2H, d, J = 8.8 Hz, ArH), 6.97 (2H, d, J = 8.4 Hz, ArH), 7.00–7.09 (6H, m,
ArH), 7.15 (2H, t, J = 7.2 Hz, ArH), 7.22–7.26 (4H, m, ArH), 7.36 (2H, t,
J = 7.2 Hz, ArH), 7.42 (2H, d, J = 7.6 Hz,ArH), 7.60 (2H, d, J = 7.6 Hz, ArH),
7.71 (2H, d, J = 7.2 Hz, ArH); 13C NMR (100 MHz, DMSO-d6) (d, ppm): 49.3,
54.5, 55.2, 59.0, 112.6, 126.1, 127.2, 127.8, 128.0, 128.6, 129.7, 130.5, 132.5,
133.0, 133.9, 135.6, 136.2, 137.9, 156.7, 197.5, 198.1;HRMS m/z calculated for
C36H30O [M ? H]?: 479.2369, found: 479.2378.
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